Propeller Pitch: 2.3 Inch Material: PC Quantity: 4 CW amp; 4 CCW Weight: 0.88g Center Hole Diameter: 1.5mm Prop Disc Diameter: 52.17mm Center Thickness: 5mm Max. Prop Width: 8.94mm Adaptive Motor: 1105-1108 Motor Recommend Motor: 1106 6000KV Features: - Good thrust for your micro and very responsive. - Good control, more precise and easy to fly in the air - More durable, reinforce the root of the blade to make it durable enough without losing performance. Package contents: 4x Gemfan 2023 CW 4x Gemfan 2023 CCW